Finding the Fourth Proportional to 12,112,691.31, 18,171,737.57 and 3,476,118.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,112,691.31 : 18,171,737.57 = 3,476,118.51 : x
2. Step 2: Convert to fraction form
   12,112,691.31/18,171,737.57 = 3,476,118.51/x
3. Step 3: Cross multiply
   12,112,691.31x = 18,171,737.57 × 3,476,118.51
4. Step 4: Simplify right side
   12,112,691.31x = 63,167,113,325,939.41
5. Step 5: Solve for x
   x = 63,167,113,325,939.41/12,112,691.31
6. Step 6: Final answer
   x = 5,214,952.79